chromium difluoride
- Formula: CrF2
- Molecular weight: 89.9929
- CAS Registry Number: 10049-10-2
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Ion clustering data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
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Clustering reactions
+ CrF2 = (
• CrF2)
By formula: F- + CrF2 = (F- • CrF2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 361. ± 16. | kJ/mol | TDEq | Boltalina, Borshchevskii, et al., 1991 | gas phase; Data at 0 K. See also Pramann and Rademann, 1999; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 660. ± 32. | kJ/mol | Ther | Igolkina | gas phase; The derived values do not seem reasonable - JEB.; value altered from reference due to conversion from electron convention to ion convention |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Boltalina, Borshchevskii, et al., 1991
Boltalina, O.V.; Borshchevskii, A.Y.; Sidorov, L.N.,
Thermochemistry of Chromium Gaseous Fluorides and Their Negative Ions,
Zh. Fiz. Khim. SSSR, 1991, 65, 884. [all data]
Pramann and Rademann, 1999
Pramann, A.; Rademann, K.,
Mass-spectrometric study of formation and stability of manganese and manganese oxide cluster anions,
Int. J. Mass Spectrom., 1999, 187, 673-683, https://doi.org/10.1016/S1387-3806(98)14197-0
. [all data]
Igolkina
Igolkina, N.A.,
Negative Ion Molecule Reaction in Chromium Trifluoride Vapor, Dep. Doc. VINITI 7085-83 Pt 1 102. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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